MESON Chess Problem Database

Problem Display
PID: 205553 (8/8/5Q2/3kr3/1P4R1/1K1p4/8/8 w - - 0 1)

Somma, Francesco

Tribune de Geneve, 1925

8/8/5Q2/3kr3/1P4R1/1K1p4/8/8

#2

4 + 3

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Rd4#
    • 1...Re2
      • 2.Rd4#
    • 1...Re3
      • 2.Rd4#
    • 1...Rf5
      • 2.Rd4#
    • 1...Rg5
      • 2.Rd4#
    • 1...Rh5
      • 2.Rd4#
    • 1...Re7
      • 2.Rd4#
    • 1...Re8
      • 2.Rd4#
  • Keys
    • 1.Rc4!
      • threat
        • 2.Qc6#
      • 1...Re6
        • 2.Qd4#
      • 1...Re1
        • 2.Rd4#
      • 1...Re2
        • 2.Rd4#
      • 1...Re3
        • 2.Rd4#
      • 1...Re4
        • 2.Rc5#
      • 1...Rf5
        • 2.Rd4#
      • 1...Rg5
        • 2.Rd4#
      • 1...Rh5
        • 2.Rd4#
      • 1...Re7
        • 2.Rd4#
      • 1...Re8
        • 2.Rd4#

This anticipates 16598(1941), 103986(1949), 176155(1953)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(c);::R1(C)
  • Actual
    • R(C);
    • Threat
      • QAB1(D)
    • Vars
      • R(c);OGATE,SBLOCK::QAR1(D)
      • R(c);::R1(C)
      • R(c);SBLOCK::R1(C)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).